forked from AuroraMiddleware/gtk
c5f68d2527
2001-03-19 Tor Lillqvist <tml@iki.fi> * gdk/win32/gdkdrawable-win32.c * gdk/win32/gdkimage-win32.c: Use correct casts in debugging output. * demos/testpixbuf-drawable.c: If GDK_WINDOWING_WIN32, include gdkwin32.h. 2001-03-19 Tor Lillqvist <tml@iki.fi> * makefile.mingw.in: Handle gdk-pixbuf-marshal.c. * gdk_pixbuf.def: Update. * pixbufloader_*.def: Just export the fill_vtable functions now.
120 lines
3.7 KiB
C
120 lines
3.7 KiB
C
#include <config.h>
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#include <gtk/gtk.h>
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#ifdef GDK_WINDOWING_X11
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#include <gdk/x11/gdkx.h>
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#elif defined (GDK_WINDOWING_WIN32)
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#include <gdk/win32/gdkwin32.h>
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#endif
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int close_app(GtkWidget *widget, gpointer data)
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{
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gtk_main_quit();
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return TRUE;
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}
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int expose_cb(GtkWidget *drawing_area, GdkEventExpose *evt, gpointer data)
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{
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GdkPixbuf *pixbuf;
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pixbuf = (GdkPixbuf *) gtk_object_get_data(GTK_OBJECT(drawing_area),
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"pixbuf");
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if(gdk_pixbuf_get_has_alpha (pixbuf))
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{
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gdk_draw_rgb_32_image(drawing_area->window,
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drawing_area->style->black_gc,
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evt->area.x, evt->area.y,
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evt->area.width,
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evt->area.height,
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GDK_RGB_DITHER_MAX,
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gdk_pixbuf_get_pixels (pixbuf) +
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(evt->area.y * gdk_pixbuf_get_rowstride (pixbuf)) +
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(evt->area.x * gdk_pixbuf_get_n_channels (pixbuf)),
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gdk_pixbuf_get_rowstride (pixbuf));
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}
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else
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{
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gdk_draw_rgb_image(drawing_area->window,
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drawing_area->style->black_gc,
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evt->area.x, evt->area.y,
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evt->area.width,
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evt->area.height,
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GDK_RGB_DITHER_NORMAL,
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gdk_pixbuf_get_pixels (pixbuf) +
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(evt->area.y * gdk_pixbuf_get_rowstride (pixbuf)) +
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(evt->area.x * gdk_pixbuf_get_n_channels (pixbuf)),
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gdk_pixbuf_get_rowstride (pixbuf));
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}
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return FALSE;
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}
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int configure_cb(GtkWidget *drawing_area, GdkEventConfigure *evt, gpointer data)
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{
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GdkPixbuf *pixbuf;
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pixbuf = (GdkPixbuf *) gtk_object_get_data(GTK_OBJECT(drawing_area),
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"pixbuf");
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g_print("X:%d Y:%d\n", evt->width, evt->height);
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if(evt->width != gdk_pixbuf_get_width (pixbuf) || evt->height != gdk_pixbuf_get_height (pixbuf))
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{
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GdkWindow *root;
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GdkPixbuf *new_pixbuf;
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root = GDK_ROOT_PARENT();
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new_pixbuf = gdk_pixbuf_get_from_drawable(NULL, root, NULL,
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0, 0, 0, 0, evt->width, evt->height);
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gtk_object_set_data(GTK_OBJECT(drawing_area), "pixbuf", new_pixbuf);
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gdk_pixbuf_unref(pixbuf);
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}
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return FALSE;
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}
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extern void pixbuf_init();
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int main(int argc, char **argv)
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{
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GdkWindow *root;
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GtkWidget *window;
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GtkWidget *vbox;
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GtkWidget *drawing_area;
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GdkPixbuf *pixbuf;
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pixbuf_init ();
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gtk_init(&argc, &argv);
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gdk_rgb_set_verbose(TRUE);
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gdk_rgb_init();
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gtk_widget_set_default_colormap(gdk_rgb_get_cmap());
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root = GDK_ROOT_PARENT();
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pixbuf = gdk_pixbuf_get_from_drawable(NULL, root, NULL,
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0, 0, 0, 0, 150, 160);
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window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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gtk_signal_connect(GTK_OBJECT(window), "delete_event",
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GTK_SIGNAL_FUNC(close_app), NULL);
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gtk_signal_connect(GTK_OBJECT(window), "destroy",
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GTK_SIGNAL_FUNC(close_app), NULL);
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vbox = gtk_vbox_new(FALSE, 0);
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gtk_container_add(GTK_CONTAINER(window), vbox);
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drawing_area = gtk_drawing_area_new();
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gtk_widget_set_usize(GTK_WIDGET(drawing_area),
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gdk_pixbuf_get_width (pixbuf),
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gdk_pixbuf_get_height (pixbuf));
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gtk_signal_connect(GTK_OBJECT(drawing_area), "expose_event",
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GTK_SIGNAL_FUNC(expose_cb), NULL);
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gtk_signal_connect(GTK_OBJECT(drawing_area), "configure_event",
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GTK_SIGNAL_FUNC(configure_cb), NULL);
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gtk_object_set_data(GTK_OBJECT(drawing_area), "pixbuf", pixbuf);
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gtk_box_pack_start(GTK_BOX(vbox), drawing_area, TRUE, TRUE, 0);
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gtk_widget_show_all(window);
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gtk_main();
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return 0;
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}
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